Report of a Mission to Guam. 37 



is a worn light brown with a slight trace of olive green ; there is 

 but a slight trace of the rufous color on the fore breast ; under 

 parts white ; lores dusky ; tarsus dark grayish ; bill dark ; e^-e 

 dark hazel. lycngth 7, spread of wings 15, wing 5.06, tail 2.00, 

 tarsus 1.25, mid-toe and claw .95, culmen .63, the terminal vault .33. 

 Hab. (Seeb.) "The Mongolian Sand Plover breeds in Asia from 

 eastern Turkestan to the valley of the Amoor, and winters on the 

 coasts from the mouth of the Red Sea to the islands of the Malaj- 

 archipelago and Australia. Guam. 



Family APHRI^ID^.— Surf Birds and Turn- 

 stones. 



Genus ARENARIA Brisson. 



35. Arenaria interpres (Linn.). Black Turnstone. 



General color dusky, upper parts varied with rufous or white, 

 throat white, head chiefly white, chest black. Length 9-9.90, 

 wing 6, culmen .80-. 90. Hab. Co.smopolitan, Pacific islands in 

 winter; accidental on Guam. 



Order GALLINyE.— Gallinaceous Birds. 



a'. Hind toe elevated, nostrils never hidden by feathers, tarsi 

 partially or entirely naked. Family Phasianidce. 



. b'. Tail feathers 8, tarsi without spurs. Genus Excal- 

 faftoria. 



b". Tail feathers 14-16, a comb and spurs present. Genus 

 Galliis. 



a". Hind toe on a level with the others, oil glands nude, upper 

 tail coverts not reaching to the end of the tail feathers. Family 

 Megapodiidcp . 



C'. No white on the basal part of the primaries, head 

 French gray. Genus Megapodiiis. 



Genus EXCAI^FACTORIA Bonaparte. 



36. Bxcalfactoria sinensis (Gm.). Bing-bing. Pigmy 



Quail. 



These little birds were introduced from Manila in 1894 hy 

 Captain Pedro Duarty, of the Spanish Army, and are now \&cy 



